YL-AC02A AC 220V RF Wireless Relay Control Switch 1CH 433MHZ without Remote
The YL-AC02A is a single-channel RF wireless relay control module designed to switch AC-powered loads remotely using a compatible 433MHz RF transmitter. Operating directly from an AC mains supply, this module eliminates the need for an external DC power source, making it convenient for home automation, industrial control, and remote switching applications.
This wireless relay receiver can be paired with various 433MHz RF remote controls, wireless transmitters, and automation systems. It provides a simple and reliable solution for controlling lamps, fans, pumps, gates, and other electrical equipment from a distance. The compact design allows easy installation inside control boxes, electrical panels, and smart switching systems.
Features:
- Single-channel wireless relay output.
- Supports 433MHz RF communication.
- Direct AC mains powered operation.
- Easy pairing with compatible RF transmitters.
- Suitable for remote ON/OFF control applications.
- Compact PCB design for easy installation.
- Stable wireless signal reception.
- Can be integrated into home automation projects.
- Reliable relay switching mechanism.
- Suitable for industrial and residential control systems.
Specifications:
| Parameter | Value |
|---|---|
| Model | YL-AC02A |
| Communication Frequency | 433MHz |
| Channels | 1 Channel |
| Input Voltage | AC 220V |
| Output Voltage | 250VAC, 30VDC, 277VAC |
| Output Voltage | 30A |
| Relay Type | Electromagnetic Relay |
| Control Method | RF Wireless Control |
| Receiver Type | RF Receiver Module |
| Installation Type | PCB Module |
| Remote Included | No |
Method of operation:
Momentary:
Press the learning button once, the indicator will flash one time and enter the learning state, and then press the remote control button which you want to leam, the indicator will flash 3 times and go off, the pairing code is completed.
Self-lock(Toggle):
Press the learning button twice, the indicator will flash 2 times and enter the learning state, and then press the remote control button which you want to learn, the indicator will flash 3 times and go off, the pairing code is completed.
Interlock(Latched):
Press the learning button 3 times, the indicator will flash 3 times and enter the learning state, and then press the “A” button, waiting the indicator light to flash 3 times and pressing the B button, and then the indicator will flash 3 times and go off, the pairing code is completed.
Time delay function:
Delay 5S: Press the learning button 4 times, the indicator will flash 4 times and enter the learning state, and then press the remote control button, the indicator will flash 3 times and the learning code is completed.
Delay 10S: Press the learning button 5 times, the indicator will flash 5 times and enter the learning state, and then press the remote control button, the indicator will flash 3 times and the learning code is completed.
Delay 15S: Press the learning button 6 times, the indicator will flash 6 times and enter the learning state, and then press the remote control button, the indicator will flash 3 times and the learning code is completed.
Delay 20S: Press the learning button 7 times, the indicator will flash 7 times and enter the learning state, and then press the remote control button, the indicator wil flash 3 times and the learning code is completed.
Pinout:
| Terminal | Description |
|---|---|
| AC-L | AC Live Input |
| AC-N | AC Neutral Input |
| AC-L | AC Live Output |
| AC-N | AC Neutral Output |
Applications:
- Home automation systems.
- Wireless lighting control.
- Remote appliance switching.
- Smart home projects.
- Industrial equipment control.
- Pump control systems.
- Wireless power switching.
- Security and access control systems.
- Garage door automation.
- Remote fan control.
Package Includes:
- 1x YL-AC02A AC AC 220V RF Wireless Relay Control Switch 1CH 433MHZ without Remote.
- 1x User Manual.